Cube game



FIG. 1 is a front, right side, top perspective view of a cube game showing my new design;

FIG. 2 is a front elevation view thereof, the back, right side and left side elevation views being identical thereto; and,

FIG. 3 is a top plan view thereof, the bottom plan view being identical thereto.

The broken lines show portions of the cube game that form no part of the claimed design. 

CLAIM The ornamental design for a cube game, as shown and described. 